/*
 *   This File is Part of CuteOgre Game Engine
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *	Copyright 2010 Alexandre Pires ( c.alexandre.pires@gmail.com )
 *  Created on: 2010/09/05
 */

#ifndef WIDGETCONTAINER_H_
#define WIDGETCONTAINER_H_

#include "Widget.h"
#include <QList>

class WidgetContainer :
		public Widget {

	friend class Layout;

	typedef QList<WidgetPtr> WidgetList;

protected:
	WidgetList mChildren;

protected:
	WidgetContainer ( const QString& rName = QString::null ) :
		Widget ( rName ) {
	}

public:
	virtual ~WidgetContainer () {
		foreach ( WidgetPtr widget, mChildren )
				widget.clear ();

		mChildren.clear ();
	}

	void addWidget ( WidgetPtr rWidget ) {

		if ( mChildren.contains ( rWidget ) )
			return;

		if ( contains ( rWidget->getName () ) )
			return;

		mChildren.append ( rWidget );
	}

	void removeWidget ( const QString& rName ) {

		foreach ( WidgetPtr widget, mChildren )
				if ( rName == widget->getName () ) {
					mChildren.removeOne ( widget );
				}
	}

	void bringToFront ( WidgetPtr rWidget ) {

		int index = mChildren.indexOf ( rWidget );

		if ( index < 0 || index == mChildren.size () - 1 )
			return;

		mChildren.move ( index, mChildren.size () - 1 );
	}

	void sendToBack ( WidgetPtr rWidget ) {

		int index = mChildren.indexOf ( rWidget );

		if ( index <= 0 )
			return;

		mChildren.move ( index, 0 );
	}

	bool contains ( const QString& rName ) {

		foreach ( WidgetPtr widget, mChildren )
				if ( rName == widget->getName () )
					return true;

		return false;
	}

	WidgetPtr getChild ( const QString& rName ) {

		foreach ( WidgetPtr widget, mChildren )
				if ( rName == widget->getName () )
					return widget;

		return WidgetPtr ( NULL );
	}

	inline WidgetList getChildren () const {
		return mChildren;
	}
};

typedef QSharedPointer<WidgetContainer> WidgetContainerPtr;

#endif /* WIDGETCONTAINER_H_ */
